Primitives Data Types

Primitive types are basic data types that hold a single value.

1. String:

Used to represent text, enclosed within quotes (”, “”, or backticks “ `).

    JavaScript
    let name = "Manjeet Singh";

    2. Number:

    Used for both integers and floating-point numbers.

    JavaScript
    let age = 25;
let price = 9.99;

    3. Boolean:

    Represents true or false values.

    JavaScript
    let isVerified = true;

    4. Null:

    Represents an intentional absence of any value.

    JavaScript
    let result = null;  // Explicitly empty

    5. Undefined:

    Represents a variable that has been declared but not yet assigned a value.

    JavaScript
    let x;
console.log(x);  // Output: undefined

    6. Symbol:

    Introduced in ES6, Symbol is used to create unique values.

    JavaScript
    let sym = Symbol('unique');

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